﻿/*
 * Copyright (c) 2011 Shawn Rakowski
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to 
 * deal in the Software without restriction, including without limitation the 
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or 
 * sell copies of the Software, and to permit persons to whom the Software is 
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in 
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 
 * SOFTWARE. 
 * 
 */

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using ROS.Application;
using ROS.Application.DTO;
using ROS.Presentation.Views;
using ROS.Presentation.Views.Data;

namespace ROS.Presentation.Presenters
{
    public class EditMenuCategoriesPresenter : Presenter<IEditMenuCategoriesView>
    {
        #region Fields
        #endregion

        #region Properties
        #endregion

        #region Constructor

        public EditMenuCategoriesPresenter(IEditMenuCategoriesView view)
            : base(view)
        {
        }

        #endregion

        #region Methods

        protected override void WireViewEvents()
        {
            view.LoadView += new EventHandler(view_LoadView);
            view.RefreshView += new EventHandler(view_RefreshView);
            view.AddCategory += new EventHandler(view_AddCategory);
            view.DeleteCategory += new EventHandler(view_DeleteCategory);
            view.Done += new EventHandler(view_Done);
        }

        void view_LoadView(object sender, EventArgs e)
        {
            view_RefreshView(sender, e);
        }

        void view_RefreshView(object sender, EventArgs e)
        {
            UpdateCategoryListView();
        }

        void view_AddCategory(object sender, EventArgs e)
        {
            ROSApplication rosAppl = new ROSApplication();
            rosAppl.AddMenuCategory(view.CategoryName);
            view.CategoryName = "";
            UpdateCategoryListView();
        }

        void view_DeleteCategory(object sender, EventArgs e)
        {
            MenuCategoryViewData menuCategoryViewData = view.GetSelectedListViewItem();
            if (menuCategoryViewData != null)
            {
                ROSApplication rosAppl = new ROSApplication();
                rosAppl.DeleteMenuCategory(menuCategoryViewData.ID);
                UpdateCategoryListView();
            }
        }

        void view_Done(object sender, EventArgs e)
        {
            ViewController.NavigateTo("MenuItemListView");
        }

        protected override void UnwireViewEvents()
        {
            view.LoadView -= new EventHandler(view_LoadView);
            view.RefreshView -= new EventHandler(view_RefreshView);
            view.AddCategory -= new EventHandler(view_AddCategory);
            view.DeleteCategory -= new EventHandler(view_DeleteCategory);
            view.Done -= new EventHandler(view_Done);
        }

        /// <summary>
        /// Update the list of categories on the view.
        /// </summary>
        private void UpdateCategoryListView()
        {
            ROSApplication rosAppl = new ROSApplication();
            IList<MenuCategoryDTO> menuCategories;
            ROSStatus status = rosAppl.GetMenuCategories(out menuCategories);
            if (status == ROSStatus.SUCCESS)
            {
                List<MenuCategoryViewData> menuCategoryViewDataList = new List<MenuCategoryViewData>();
                foreach (MenuCategoryDTO menuCategory in menuCategories)
                {
                    MenuCategoryViewData menuCategoryViewData = new MenuCategoryViewData();
                    menuCategoryViewData.ID = menuCategory.ID;
                    menuCategoryViewData.Name = menuCategory.Name;
                    menuCategoryViewDataList.Add(menuCategoryViewData);
                }
                view.ListViewData = menuCategoryViewDataList;
            }
            else
            {
                // todo
            }
        }

        #endregion
    }
}